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Module 1: Herencia genética

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Herencia genética

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Biology - Genetic inheritance

Genetic inheritance

The fundamental feature of all living things, with the exception of some
viruses, is the genetic material that has the potential to determine what
an organism is going to be like. Deoxyribonucleic acid (DNA) [1] is in the
form of chains of nucleotides [2]linked to form a double helix. The DNA
provides the code for the production of proteins. Chromosomes, [3] coils of
DNA molecules, are the organelles that transmit these sets of coding
instructions from one generation to the next. In replicating chromosomes,
errors called mutations [4] may occur. These may be deleterious
(disadvantageous) to the offspring but could be of advantage in conveying
some useful variation [5] in structure or physiology. The interaction
between environmental factors (internal and external) and the coding
instructions, collectively called the genotype, of an organism affects the
way an organism develops.

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[2] http://alison.com/#
[3] http://alison.com/#
[4] http://alison.com/#
[5] http://alison.com/#